Add a Program argument to diffProgram to avoid a use of swapProgramIn.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/BugDriver.cpp b/tools/bugpoint/BugDriver.cpp
index 45a0d4d..d5b0656 100644
--- a/tools/bugpoint/BugDriver.cpp
+++ b/tools/bugpoint/BugDriver.cpp
@@ -211,7 +211,7 @@
   // matches, then we assume there is a miscompilation bug and try to 
   // diagnose it.
   outs() << "*** Checking the code generator...\n";
-  bool Diff = diffProgram("", "", false, &Error);
+  bool Diff = diffProgram(Program, "", "", false, &Error);
   if (!Error.empty()) {
     errs() << Error;
     return debugCodeGeneratorCrash(ErrMsg);